EP0665755A1 - Preparation de compositions pharmaceutiques contenant une calcitonine - Google Patents

Preparation de compositions pharmaceutiques contenant une calcitonine

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Publication number
EP0665755A1
EP0665755A1 EP93922958A EP93922958A EP0665755A1 EP 0665755 A1 EP0665755 A1 EP 0665755A1 EP 93922958 A EP93922958 A EP 93922958A EP 93922958 A EP93922958 A EP 93922958A EP 0665755 A1 EP0665755 A1 EP 0665755A1
Authority
EP
European Patent Office
Prior art keywords
calcitonin
elcatonin
thr
leu
gly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP93922958A
Other languages
German (de)
English (en)
Other versions
EP0665755B1 (fr
Inventor
Laura Smithklime Beecham Chiodini
Teodoro Smithklime Beecham Fonio
Glanfranco Smithklime Beecham Rancati
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GlaxoSmithKline SpA
Original Assignee
Smithkline Beecham Farmaceutici SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Smithkline Beecham Farmaceutici SpA filed Critical Smithkline Beecham Farmaceutici SpA
Publication of EP0665755A1 publication Critical patent/EP0665755A1/fr
Application granted granted Critical
Publication of EP0665755B1 publication Critical patent/EP0665755B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/4841—Filling excipients; Inactive ingredients
    • A61K9/4858—Organic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00—Medicinal preparations containing peptides
    • A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • A61K38/22—Hormones
    • A61K38/23—Calcitonins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/14—Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters

Definitions

  • the present invention relates to novel pharmaceutical compositions containing calcitonins and to a novel method of enhancing the absorption of a calcitonin across a mucosal membrane.
  • the calcitonins are a class of pharmacologically active peptides, of both natural and synthetic origin, which contain approximately thirty two amino acids, and which hav the ability to regulate serum calcium levels.
  • Various calcitonins including e.g. natural human, salmon and eel calcitonins and the synthetic eel calcitonin analogue elcatonin are now commercially available and commonly employed, e.g. in the treatment of Paget's disease, Sudeck's disease and osteoporosis.
  • One approach is to use an adjuvant or absorption enhancer and there are numerous published reports of compounds which are claimed to have peptide absorption-enhancing properties.
  • choline esters EP 214898
  • acyl carnitines EP 215697
  • aldoses and glucosamines Japanese Pat Appl. No. 61 126034
  • ascorbates and salicylates EP 37943
  • alpha-cyclodextrin EP 0094157
  • pyroglutamate esters EP 173990
  • chelating agents US 4,476,116
  • the present invention provides a composition containing a calcitonin, a polyglycolysed glyceride and a pharmaceutically acceptable carrier.
  • the invention also provides a method of enhancing the absorption of a calcitonin across a mucosal membrane, which method comprises co-administering with the calcitonin an effective amount of an absorption enhancer which is a polyglycolysed glyceride.
  • the polyglycolysed glycerides according to the invention may be saturated or unsaturated.
  • Saturated polyglycolysed glycerides are obtainable by partial alcoholysis of hydrogenated vegetable oil with polyethylene glycol or by esterification of saturated fatty acids with polyethylene glycol and glycerol.
  • Unsaturated polyglycolysed glycerides may be obtained by partial alcoholysis of non-hydrogenated vegetable oil with polyethylene glycol.
  • Polyglycolysed glycerides which may be employed in the invention include saturated polyglycolysed glycerides consisting of Cg.Cj g glycerides and polyethylene glycol esters, such as those available under the trade names Gelucire, e.g. Gelucire 33/01, 35/10, 37/02 or 44/14 ; and Labrafil e.g. Labrafil WL 2514 CS; unsaturated polyglycolysed glycerides consisting of C1 .C20 glycerides and polyethylene glycol esters such as those available under the trade name Labrafil e.g.
  • the polyglycolysed glyceride comprises 5 to 100% e.g. 5 to 50% by weight of the total excipients. Thus it may be used as the sole ca ⁇ ier for the calcitonin, or may be admixed with other excipients. It will be appreciated that in view of its potency the weight of calcitonin in the formulation is very low relative to the weight of excipients.
  • the term calcitonin as used herein is intended to refer to that class of pharmacologically active polypeptides including not only naturally occurring calcitonins but also various derivatives and analogues thereof, e.g. in which one or more of the amin acid residues or sequences naturally present is omitted, replaced, reversed or otherwise derivatised or in which the N or C terminal is modified.
  • calcitonin as used hereinafter, is intended to mean all such calcitonins whether naturally occurring or synthetic.
  • calcitonins wherein one or more amino acids have been omitted are the des-[Ser 2 , Tyr 22 ]-Gly 8 -calcitonins described in US 4,597,900 and the des-[Tyr 22 ]- salmon calcitonin described in US 4,304,692.
  • the preparation and properties of elcatonin and related 1,7-dicarbacalcitonins are described in British Patent Number 1,516,947 (Toyo Jozo).
  • the preparation and properties of eel calcitonin are described in US 3,988,309 (Matsuda eial).
  • compositions of the present invention suitably can be administered by methods known in the art for transmucosal and transdermal delivery of pharmacologicall active substances.
  • the compositions can be administered to, for example, the rectal, vaginal, nasal, sublingual, buccal, and colonic mucosa and to the skin. They can take the form of drops, aerosols, tablets, capsules, enterically coated solid oral compositions, wafers, gels, ointments, inserts, suppositories, pessaries, patches and membranes.
  • Particular compositions are those intended for administration to the rectal and vaginal mucosa.
  • particular dosage forms include pessaries, suppositories, solutions, foams, suspensions, gels, ointments, tablets and soft gelatin capsules.
  • compositions for rectal or vaginal administration are generally presented as a solid suppository or a semisolid or liquid formulation filled into a soft gelatin capsule. It will be appreciated therefore that the excipients for use in such suppository or capsule formulations will be selected and if necessary admixed to give a formulation of the desire consistency at room and body temperatures.
  • the suppository base may for example comprise one or more components selected from an oil, a fat and a polyethylene glycol which can be admixed with the polyglycolysed glyceride.
  • the oil and/or fat preferably comprises one or more triglycerides as the main component, such as coconut oil, fractionated coconut oil (e.g.
  • Miglyol palm kernel oil, palm fat, cocoa butter or lard.
  • hard fat suppository bases include Witepsol, and Suppocire.
  • the polyethylene glycol component is preferably liquid at room temperature such as polyethylene glycol-200, 300, 400 or 600, whereas for a solid suppository a polyethylene glycol of higher molecular weight is preferred.
  • the relative proportions of the excipients will of course depend inter alia on the consistency of the formulation required. If desired the polyglycolysed glyceride may be employed as the so carrier in a capsule formulation. Compositions adapted for rectal administration as described above are particularl preferred.
  • compositions which deliver the active ingredient to the coloni mucosa include enterically coated compositions intended for oral administration, which may for example take the form of a capsule coated with a coating agent which ensures passage of the calcitonin through the stomach its subsequent release preferably in the colon.
  • Suitable coating agents include anionic polymers such as acrylic acid methacrylic acid ester copolymers (e.g. Eudragit S).
  • the formulation may be incorporated in a controlled release delivery form such as that described in WO 90/09168.
  • Excipients which may be incorporated in such enteric capsules or controlled release forms include for example those described above for rectal and vagina formulations.
  • compositions When the composition is intended for delivery to the nasal mucosa, particular dosage forms are solutions, aerosols, drops, and gels.
  • Particular dosage forms for buccal and sublingual administration are gels, suspensions, tablets, patches, ointments, solutions, aerosols and wafers.
  • Aerosol formulations typically comprise a solution or fine suspension of the active substance in a physiologically acceptable aqueous or non-aqueous solvent and are usually presented in single or multidose quantities in a sealed container.
  • the sealed container can take the form of a cartridge or refill for use with an atomising device, or it can take the form of a unitary dispensing device such as a single dose nasal inhaler (see French Patent Application FR 2578426) or an aerosol dispenser fitted with a metering valve and which is intended for disposal once the contents of the container have been exhausted.
  • the dosage form comprises an aerosol dispenser, it will contain a propellant which can be a compressed gas such as compressed air or an organic propella such as a fiuorochlorohydrocarbon.
  • Th aerosol dosage forms can also take the form of a pump-atomiser and such forms are also well known in the art.
  • the atomising or dispensing devices for dispensing aerosol sprays typically are designed to dispense particles of a size greater than 10 micrometres. In orde to ensure that significant quantities of the composition remain in contact with the oral or nasal mucosa, and are not inhaled, the particles suitably are approximately 10-160 micrometres in size.
  • the viscosity of the liquid composition can be adjusted as necessary according to known methods to ensure that the composition is sprayable.
  • compositions in the form of wafers may be for example as described in PCT/GB91/00651. Such wafers are formed substantially of starch and suitably have a thickness of from 0.3 to 1.0 mm.
  • the compositions according to the present invention may also contain an aqueo or physiologically acceptable non-aqueous solvent or liquid carrier.
  • non- aqueous solvents or carriers are alcohols, particularly polyhydroxy alcohols such as propylene glycol and glycerol, and vegetable and mineral oils.
  • Such non-aqueous solvent or carriers can if desired be admixed with water to form for example emulsions.
  • the formulations of the present invention may also contain excipients such as antioxidants, stabilisers, preservatives (e.g.
  • compositions may also contain glycyrrhizinic acid or a salt thereof, e.g. sodium or potassium glycyrrhizinate or ammonium glycyrrhizinate.
  • concentration o the glycyrrhizinate is typically at least 0.1% (w/w), suitably 0.1 to 10% (w/w), and preferably 0.2 to 5% (w/w) of the total weight of the composition.
  • the glycyrrhizinate is suitably present in an amount corresponding to between 0.1 g and 2 g per 100 g of composition.
  • the glycyrrhizinate is present in an amount corresponding to between 0.2 g an 1 g per 100 g.
  • compositions can also contain a protease inhibitor, preferably a non- surfactant protease inhibitor, for example as described in EP 127535.
  • a protease inhibitor preferably a non- surfactant protease inhibitor, for example as described in EP 127535.
  • the pH of the compositions of the present invention can vary within a broad range according to the chemicophysical properties of the different ingredients in the compositions.
  • the pH of the composition is in the range from pH 3 to 8 preferably from approximately pH 3.5 to approximately pH 7.
  • a buffering agent may be included in the composition.
  • buffering agents include citrates, (for example a mixture of citric acid and sodium citrate), acetates, phosphates and adipates.
  • an alkali metal hydroxide e.g. sodiu hydroxide may be incorporated to regulate the pH.
  • compositions containing a combination of a calcitonin, a Gelucire, ammonium glycyrrhizinate and benzyl alcohol are specifically excluded from this application, such formulations being described in International application no. WO 93/06854.
  • compositions can be made according to well known pharmaceutical procedures, see for example Remington's Pharmaceutical Sciences 17th Edition, Mack Publishing Company, 1985.
  • Soft gelatin capsules may be prepared fo example as described in WO 84 03417 or EPA 122463.
  • compositions of the present invention can be used in the treatment of disease such as Paget's disease (osteitis deformans), osteoporosis including post-menopausal osteoporosis, Sudeck's disease and various hypercalcaemic conditions (see, for example, the Physician's Desk Reference, 42nd Edition, 1988, pages 1796 and 1797).
  • disease such as Paget's disease (osteitis deformans), osteoporosis including post-menopausal osteoporosis, Sudeck's disease and various hypercalcaemic conditions (see, for example, the Physician's Desk Reference, 42nd Edition, 1988, pages 1796 and 1797).
  • a unit dose of a composition intended for human use typically contains between 1 and 1000 International Units (LU.) o a calcitonin.
  • a unit dose in general contains from 5 to 200 LU.
  • a unit dose adapted for colonic administration preferably contains from 40-800 LU. of elcatonin.
  • Th compositions will be administered to the patient in dosages which contain an amount of calcitonin effective to treat the disease in question.
  • a typical dosage regimen for elcatoni is from 5 to 200 LU. per day (or 40-800 LU. for colonic administration) which may be administered in a single dose or in divided doses for example on consecutive or alternate days.
  • International Unit refers to the appropriate International Reference
  • Elcatonin (6500 LUJmg potency) Polyethylene glycol 600 (g) Gelucire 44/14 (g) Distilled water (g) Ammonium glycyrrhizinate (g) Sodium chloride (mg) Sodium citrate dihydrate (mg) Sodium hydroxide (mg) Citric acid (mg)
  • Methods Mix together the citric acid, sodium citrate dihydrate, sodium chloride, distilled water, elcatonin and if appropriate ammonium glycyrrhizinate and sodium hydroxide in a water bath regulated at a temperature of about 70°C, and then cool to about 55°C. Melt the Gelucire at about 50 to 60°C, add the polyethylene glycol 600, cool to about 45 to 50°C and then add the above solution, under stirring. The final mixture, cooled to about 30°C, may be filled into soft gelatin capsules for rectal or vaginal administration (1 g formulation (a) each capsule) or into soft gelatin capsules (300 mg formulation (b) per capsule) for oral administration. Optionally, the mixture may be dried under vacuum and filled into hard gelatin capsules (290 mg formulation (b) per capsule) for oral administration. Capsules for oral administration may be coated with the following coating : mg capsule
  • the mixture may be filled into soft gelatin capsules fo rectal, vaginal or oral administration and optionally coated for oral administration as in Example 1.
  • the mixture may be filled into hard gelatin capsules coated as above.
  • Elcatonin (6500 LUJmg potency) Gelucire 35/10 (g) Distilled water (g) Ammonium glycyrrhizinate (g) Sodium chloride (mg) Sodium citrate dihydrate (mg) Sodium hydroxide (mg) Citric acid (mg)
  • Example 4 a The formulations are prepared in a similar manner to Example 1, without the inclusion of polyethylene glycol.
  • Elcatonin (6500 LUJmg potency) Gelucire 37/02 (g) Distilled water (g) Ammonium glycyrrhizinate (g) Sodium chloride (mg) Sodium citrate dihydrate (mg) Sodium hydroxide (mg) Citric acid (mg)
  • the formulations are prepared in a similar manner to Example 1, without the inclusion of polyethylene glycol.
  • the mixture may be filled into gelatin capsules and optionally coated as in Examples 1 and 2.
  • Elcatonin (6500 LUJmg potency) Gelucire 44/14 (g) Labrafil M2125CS (g) Distilled water (g) Ammonium glycyrrhizinate (g) Sodium chloride (mg) Sodium citrate dihydrate (mg) Sodium hydroxide (mg) Citric acid (mg)
  • Example 1 Melt the Gelucire at about 50 to 60°C, add the Labrafil, cool to around 45 to 50° and add the buffered elcatonin solution, as in Example 1.
  • the mixture may be filled into capsules as described in Example 1.
  • Example 9 Melt the Gelucire at about 50 to 60°C, add the Labrafil, cool to about 45 to 50°C and add the elcatonin with stirring. The mixture may be filled into capsules as described in Examples 1 and 2.
  • Example 9 Example 9
  • Example 1 Prepare the buffered elcatonin solution as in Example 1 and then add the Labras under stirring.
  • the mixture may be filled into capsules as described in Example 1.
  • the mixture may be filled into capsules as described in Examples 1 and 2.
  • the mixture may be filled into capsules as in Example 1.
  • elcatonin All the components except elcatonin are dissolved at about 35 to 40°C, in 80% of the water and the resulting solution cooled to room temperature. The elcatonin is dissolved in the remaining 20% of the water and the two solutions are mixed under stirring.
  • the solution may be admmistered at a volume of 100 ⁇ l and for rectal or vaginal administration at 200 to 400 ⁇ l. Dosage form for transdermal administration
  • Example 20 The formulation of Example 20 is prepared by mixing together the Gelucire, polyethylene glycol 600, citric acid, sodium citrate dihydrate, sodium chloride, Carbopol 934, sodium hydroxide, ammonium glycyrrhizinate (when used) and part of distilled wate in a water bath regulated at a temperature of about 70°C. To the resulting gel, cooled to room temperature, a solution of elcatonin in the remaining part of distilled water, is then added. The final gel is filled into patches of 500 mg each.
  • the citric acid, sodium citrate dihydrate, sodium chloride, sodium hydroxide, distilled water and elcatonin, were mixed together in a water bath at a temperature of ab 55°C.
  • the Gelucire was melted at about 50 to 60°C, and the polyethylene glycol 600 added. This mixture was cooled to about 45 to 50°C and then added to the above solutio under stirring.
  • the final mixture cooled to about 30°C, may be filled into soft gelatin capsules (1 g each capsule) for rectal or vaginal administration.
  • Polyethylene glycol 600 (g) Polyethylene glycol 200 (g) Sodium lauryl sulphate (g)
  • the final mixture may be filled into capsules as described in Example 1.
  • Example 23 The formulation of Example 23 was prepared as described in Example 22.
  • Example 24 The formulation of Example 23 was prepared as described in Example 22.
  • Polyethylene glycol 600 (g) Polyethylene glycol 200 (g) Sodium lauryl sulphate (g) Distilled water (g) Ammomum glycyrrhizinate (g) Sodium chloride (mg) Sodium citrate dihydrate (mg) Citric acid (mg)
  • the final mixture may be filled into capsules as described in Example 1.
  • the final mixture may be filled into capsules as described in Example 1.
  • Trial A
  • Citric acid (mg) 18.5 Sodium hydroxide (mg) 1.0
  • the preparations were administered rectally with a small catheter, in the amount of 0.5 g/Kg body weight (corresponding to about 50 LUJKg) to groups of 6, conscious, fasted overnight, New Zealand rabbits, weighing about 2 Kg.
  • Serum calcium concentration was measured (with an atomic absorption spectrophotometer VARIAN 30/40) on blood samples obtained in each animal, from the lateral vein of ear, 0, 60, 120, 180 and 240 min after administration of the products. The results, expressed as residual percentage of serum calcium concentration as compared with baseline values (0 time), are reported in Table 1. Table 1
  • the preparations were administered intracolonically with a small catheter, in the volume of 2 ml/Kg body weight (corresponding to about 30 LUJKg) to groups of 4, conscious, fasted overnight, Sprague Dawley rats, weighing about 220 ⁇ 20 g.
  • Serum calcium concentration was measure (with an atomic absorption spectrophotometer VARIAN 30/40) on blood samples obtained in each animal, from the caudal vein, 0, 60 and 120 min after administration of the products.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Immunology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Zoology (AREA)
  • Endocrinology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

Compositions pharmaceutiques comprenant une calcitonine et un glycéride polyglycosylé.
EP93922958A 1992-10-20 1993-10-15 Preparation de compositions pharmaceutiques contenant une calcitonine Expired - Lifetime EP0665755B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI922400 1992-10-20
ITMI922400A IT1255895B (it) 1992-10-20 1992-10-20 Composizioni farmaceutiche contenenti una calcitonina
PCT/EP1993/002874 WO1994008622A1 (fr) 1992-10-20 1993-10-15 Compositions pharmaceutiques contenant une calcitonine

Publications (2)

Publication Number Publication Date
EP0665755A1 true EP0665755A1 (fr) 1995-08-09
EP0665755B1 EP0665755B1 (fr) 1998-07-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93922958A Expired - Lifetime EP0665755B1 (fr) 1992-10-20 1993-10-15 Preparation de compositions pharmaceutiques contenant une calcitonine

Country Status (12)

Country Link
US (1) US5719122A (fr)
EP (1) EP0665755B1 (fr)
JP (1) JPH08505364A (fr)
CN (1) CN1091314A (fr)
AU (1) AU5177993A (fr)
DE (1) DE69319440T2 (fr)
ES (1) ES2120516T3 (fr)
GR (1) GR3027611T3 (fr)
IT (1) IT1255895B (fr)
MX (1) MX9306499A (fr)
WO (1) WO1994008622A1 (fr)
ZA (1) ZA937697B (fr)

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US5719122A (en) 1998-02-17
GR3027611T3 (en) 1998-11-30
ITMI922400A0 (it) 1992-10-20
AU5177993A (en) 1994-05-09
WO1994008622A1 (fr) 1994-04-28
IT1255895B (it) 1995-11-17
CN1091314A (zh) 1994-08-31
DE69319440D1 (de) 1998-08-06
MX9306499A (es) 1994-06-30
ZA937697B (en) 1995-04-18
ITMI922400A1 (it) 1994-04-20
JPH08505364A (ja) 1996-06-11
EP0665755B1 (fr) 1998-07-01
DE69319440T2 (de) 1998-11-19
ES2120516T3 (es) 1998-11-01

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